1 /* { dg-do compile } */
2 /* { dg-options "-fplan9-extensions" } */
4 /* When using Plan 9 extensions, a typedef can conflict with an
7 typedef struct { int a; } s1;
8 struct s2 { s1; int s1; }; /* { dg-error "duplicate" } */
9 int f(struct s2 *p) { return p->s1; } /* { dg-error "incompatible" } */